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https://issues.apache.org/jira/browse/ARROW-2195?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16425893#comment-16425893
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ASF GitHub Bot commented on ARROW-2195:
---------------------------------------
pitrou commented on issue #1807: ARROW-2195: [Plasma] Return auto-releasing
buffers
URL: https://github.com/apache/arrow/pull/1807#issuecomment-378679924
@pcmoritz I fixed the XXX's.
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> [Plasma] Segfault when retrieving RecordBatch from plasma store
> ---------------------------------------------------------------
>
> Key: ARROW-2195
> URL: https://issues.apache.org/jira/browse/ARROW-2195
> Project: Apache Arrow
> Issue Type: Bug
> Components: Plasma (C++), Python
> Affects Versions: 0.8.0
> Reporter: Philipp Moritz
> Priority: Major
> Labels: pull-request-available
> Fix For: 0.10.0
>
>
> It can be reproduced with the following script:
> {code:python}
> import pyarrow as pa
> import pyarrow.plasma as plasma
> def retrieve1():
> client = plasma.connect('test', "", 0)
> key = "keynumber1keynumber1"
> pid = plasma.ObjectID(bytearray(key,'UTF-8'))
> [buff] = client .get_buffers([pid])
> batch = pa.RecordBatchStreamReader(buff).read_next_batch()
> print(batch)
> print(batch.schema)
> print(batch[0])
> return batch
> client = plasma.connect('test', "", 0)
> test1 = [1, 12, 23, 3, 21, 34]
> test1 = pa.array(test1, pa.int32())
> batch = pa.RecordBatch.from_arrays([test1], ['FIELD1'])
> key = "keynumber1keynumber1"
> pid = plasma.ObjectID(bytearray(key,'UTF-8'))
> sink = pa.MockOutputStream()
> stream_writer = pa.RecordBatchStreamWriter(sink, batch.schema)
> stream_writer.write_batch(batch)
> stream_writer.close()
> bff = client.create(pid, sink.size())
> stream = pa.FixedSizeBufferWriter(bff)
> writer = pa.RecordBatchStreamWriter(stream, batch.schema)
> writer.write_batch(batch)
> client.seal(pid)
> batch = retrieve1()
> print(batch)
> print(batch.schema)
> print(batch[0])
> {code}
>
> Preliminary backtrace:
>
> {code}
> CESS (code=1, address=0x111138158)
> frame #0: 0x000000010e6457fc
> lib.so`__pyx_pw_7pyarrow_3lib_10Int32Value_1as_py(_object*, _object*) + 28
> lib.so`__pyx_pw_7pyarrow_3lib_10Int32Value_1as_py:
> -> 0x10e6457fc <+28>: movslq (%rdx,%rcx,4), %rdi
> 0x10e645800 <+32>: callq 0x10e698170 ; symbol stub for:
> PyInt_FromLong
> 0x10e645805 <+37>: testq %rax, %rax
> 0x10e645808 <+40>: je 0x10e64580c ; <+44>
> (lldb) bt
> * thread #1: tid = 0xf1378e, 0x000000010e6457fc
> lib.so`__pyx_pw_7pyarrow_3lib_10Int32Value_1as_py(_object*, _object*) + 28,
> queue = 'com.apple.main-thread', stop reason = EXC_BAD_ACCESS (code=1,
> address=0x111138158)
> * frame #0: 0x000000010e6457fc
> lib.so`__pyx_pw_7pyarrow_3lib_10Int32Value_1as_py(_object*, _object*) + 28
> frame #1: 0x000000010e5ccd35 lib.so`__Pyx_PyObject_CallNoArg(_object*) +
> 133
> frame #2: 0x000000010e613b25
> lib.so`__pyx_pw_7pyarrow_3lib_10ArrayValue_3__repr__(_object*) + 933
> frame #3: 0x000000010c2f83bc libpython2.7.dylib`PyObject_Repr + 60
> frame #4: 0x000000010c35f651 libpython2.7.dylib`PyEval_EvalFrameEx + 22305
> {code}
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